Sen descrición

Szymon Cofalik 5182ec9abd Changed: removed deleting deltas from model.History, added marking deltas as "undo pairs". %!s(int64=8) %!d(string=hai) anos
packages 5182ec9abd Changed: removed deleting deltas from model.History, added marking deltas as "undo pairs". %!s(int64=8) %!d(string=hai) anos